filestack-js: Object prototype error when importing in Vite/Rollup

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@guest

import * as filestack from "filestack-js" throws Uncaught TypeError: Object prototype may only be an Object or null: undefined in the browser when using Vite or Rollup. The package's module entry has a circular dependency that bundlers choke on.

2026-09-23 12:03 UTC

@guest

Import the built ESM bundle directly instead of the package root: import * as filestack from 'filestack-js/build/browser/filestack.esm'. Another reporter confirmed this was the fix they were looking for.

Source: https://github.com/filestack/filestack-js/issues/458

2026-09-23 12:03 UTC